Banta's Buffalo

Banta in a very morose mood tells Santa that his buffalo is ill. He enquires from Santa, "That wasn't his buffalo also down with the same illness last year?"Santa replies in the affirmative. Banta asks for the medication used by Santa. Santa tells him that he gave 250 gms of opium to it.Banta goes home and gives 250 gms of opium to his ailing buffalo. The next day, he met Santa and told him that his buffalo died.Santa tells Banta that it isn't surprising, because even his buffalo died after taking the opium.